2nd Open Petros Kolyvas Memorial 2025
Open SwissStandard
39 players participated in this 7-round tournament, held from 16 Oct 2025 to 27 Nov 2025 in Athens, Greece. 2 titled players. Top 10 Elo average was 2011, and top seed was Andreas Kofidis (🇬🇷 GRE, IM, 2235).
Georgios Nikolaou (🇬🇷 GRE, FM, 2129) won with 6.0/7, ahead of Andreas Kofidis (6.0) and Spyridon Ilandzis (5.0). Nikolaou shared the lead from round 6, winning on tie-break.
The biggest upset came in round 2: Panteleimon Palios (1450) beat Polizois Ntelis (1710), a +260-point gap.
Location
🇬🇷Athens, Greece
Dates
16 Oct 2025 → 27 Nov 2025
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss · 7 rounds
Titled players · 2
IM×1
FM×1
Federations · 1 represented
🇬🇷Greece×39
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 7 roundsTight race until R4; 2 players tied at 6.0/7, decided on Buchholz.
Co-leaders
16
6
2
1
1
2
2
R4–R7 · LEAD HELD
IM Andreas Kofidis held the sole lead from R4 through R7 without losing it.
R7 · TIEBREAK CLUSTER
2 players finish on 6.0/7. Nikolaou takes the title on Buchholz Cut1 (26.5).
R5 · HEAD-TO-HEAD · WINNER VS 2ND
IM Andreas Kofidis drew with FM Georgios Nikolaou (White).
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1IMAndreas Kofidis | * | ½ | 1 | — |
| 2FMGeorgios Nikolaou | ½ | * | 1 | — |
| 3Spyridon Ilandzis | 0 | 0 | * | — |
| 4Dimitrios Ladas | — | — | — | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | R7 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Nikolaou, GeorgiosFM | 2129 | GRE | +20N | +19B | =6N | +5B | =2N | +3B | +10B | 6.0 | 26.5 | 29.0 | 23.75 | 2259 | +20.0 |
| 2 | Kofidis, AndreasIM | 2235 | GRE | +35B | +9N | +3B | +17N | =1B | =10N | +5B | 6.0 | 26.5 | 28.0 | 23.00 | 2293 | +4.4 |
| 3 | Ilandzis, Spyridon | 1974 | GRE | +25B | +11N | −2N | +6B | +17B | −1N | +15N | 5.0 | 27.0 | 29.0 | 17.00 | 2059 | +19.8 |
| 4 | Ladas, Dimitrios | 1944 | GRE | +12N | +13B | −17N | +9B | −10N | +7N | +11B | 5.0 | 23.5 | 26.5 | 19.50 | 1956 | +4.6 |
| 5 | Proutsalis, Marios Alexandros | 1951 | GRE | +24B | =21N | +22B | −1N | +18B | +14N | −2N | 4.5 | 23.5 | 25.5 | 12.25 | 2004 | +12.2 |
| 6 | Vazelakis, Dimitrios | 1895 | GRE | +32B | +37N | =1B | −3N | +8B | =22N | =9B | 4.5 | 23.5 | 24.5 | 13.25 | 1911 | +5.2 |
| 7 | El Champasi, Omar | 0 | GRE | −8N | +33B | =16N | +13B | +19N | −4B | +14B | 4.5 | 22.5 | 24.0 | 12.75 | 1786 | 0.0 |
| 8 | Nikitakis, Ioannis | 1740 | GRE | +7B | =18N | −9B | +24N | −6N | +20B | +36N | 4.5 | 20.5 | 21.5 | 11.50 | 1798 | +15.2 |
| 9 | Kosma, Maria | 1878 | GRE | +26N | −2B | +8N | −4N | =12B | +31B | =6N | 4.0 | 25.5 | 27.0 | 12.00 | 1816 | -15.2 |
| 10 | Boviatsis, Charalampos | 2011 | GRE | +30N | F | +21B | =18N | +4B | =2B | −1N | 4.0 | 24.5 | 24.5 | 14.00 | 2055 | +10.0 |
| 11 | Danopoulos, Odysseas Dimitrios | 1721 | GRE | +28N | −3B | +12N | −19B | +20N | +25B | −4N | 4.0 | 20.5 | 22.5 | 10.00 | 1764 | +5.6 |
| 12 | Stavropoulos, Kriton Michail | 1557 | GRE | −4B | +34N | −11B | +29B | =9N | +21N | −13B | 3.5 | 21.0 | 22.5 | 8.00 | 1727 | +24.0 |
| 13 | Ntaifas, Ioannis | 1717 | GRE | +34B | −4N | =31B | −7N | F | +19B | +12N | 3.5 | 19.0 | 20.5 | 8.25 | 1807 | +9.6 |
| 14 | Anastasopoulos, Angelos | 1811 | GRE | +39N | −17B | =20N | +27B | +31N | −5B | −7N | 3.5 | 18.0 | 18.5 | 5.25 | 1744 | -6.2 |
| 15 | Prapas, Efthymios Alkiviadis | 1631 | GRE | −17N | +39B | =19N | F | +26B | +16N | −3B | 3.5 | 16.5 | 16.5 | 7.25 | 1786 | +46.0 |
| 16 | Sehas, Nikolaos | 1567 | GRE | F | F | =7B | +36N | +32N | −15B | +25N | 3.5 | 15.0 | 15.0 | 6.75 | 1701 | +11.2 |
| 17 | Loukopoulos, Panagiotis-Athanasi | 2110 | GRE | +15B | +14N | +4B | −2B | −3N | F | F | 3.0 | 23.0 | 23.0 | 12.00 | 2007 | -10.0 |
| 18 | Antoniadis, Anastasios | 1972 | GRE | +33N | =8B | +27N | =10B | −5N | F | F | 3.0 | 16.5 | 16.5 | 7.75 | 1844 | -11.8 |
| 19 | Xipolitas, Aristomenis | 1857 | GRE | +31B | −1N | =15B | +11N | −7B | −13N | F | 2.5 | 23.5 | 25.0 | 7.25 | 1737 | -29.6 |
| 20 | Kratidis, Anastasios | 1660 | GRE | −1B | +32N | =14B | +21N | −11B | −8N | F | 2.5 | 22.0 | 22.0 | 5.75 | 1698 | +3.2 |
| 21 | Tourkolias, Dimitrios | 1688 | GRE | +36N | =5B | −10N | −20B | F | −12B | +26N | 2.5 | 17.5 | 17.5 | 5.25 | 1586 | -15.6 |
| 22 | Routsi, Efthimios-Alexandros | 1892 | GRE | F | F | −5N | +35B | +38N | =6B | F | 2.5 | 15.0 | 15.0 | 4.75 | 1901 | +1.2 |
| 23 | Bizirtsakis, Athanasios | 1727 | GRE | F | F | =24B | F | +27N | F | +29N | 2.5 | 8.5 | 8.5 | 5.00 | 1871 | +10.4 |
| 24 | Chalaris, Iason | 1586 | GRE | −5N | +36B | =23N | −8B | F | =37N | F | 2.0 | 17.0 | 17.0 | 2.75 | 1533 | -4.2 |
| 25 | Gkogka, Klevis | 1596 | GRE | −3N | +28B | +29N | F | F | −11N | −16B | 2.0 | 16.5 | 16.5 | 4.00 | 1561 | -5.2 |
| 26 | Panagopoulos, Dimitrios | 1502 | GRE | −9B | −35N | +34B | +39N | −15N | −29B | −21B | 2.0 | 15.0 | 15.5 | 2.00 | 1405 | -29.2 |
| 27 | Palios, Panteleimon | 1450 | GRE | F | +38N | −18B | −14N | −23B | +33N | F | 2.0 | 14.0 | 14.0 | 2.50 | 1666 | +23.2 |
| 28 | Livanopoulou, Athina | 0 | GRE | −11B | −25N | −32B | −34N | F | +39B | +33B | 2.0 | 11.5 | 12.0 | 2.00 | 1503 | 0.0 |
| 29 | Toumanidis, Mihailangelos | 1758 | GRE | F | F | −25B | −12N | +37B | +26N | −23B | 2.0 | 11.0 | 11.0 | 3.00 | 1401 | -73.2 |
| 30 | Gkogka, Elvis | 1597 | GRE | −10B | −31N | F | F | F | +34B | +37N | 2.0 | 9.0 | 9.0 | 2.50 | 947 | -14.4 |
| 31 | Mentzos, Apostolos | 1497 | GRE | −19N | +30B | =13N | F | −14B | −9N | F | 1.5 | 18.0 | 19.0 | 3.75 | 1623 | +23.6 |
| 32 | Diatsintos, Ilias | 1512 | GRE | −6N | −20B | +28N | F | −16B | −36B | =39N | 1.5 | 15.0 | 15.5 | 2.25 | 1321 | -18.0 |
| 33 | Pagalis, Georgios | 1590 | GRE | −18B | −7N | +39B | F | =34N | −27B | −28N | 1.5 | 14.5 | 15.0 | 1.25 | 1501 | -9.2 |
| 34 | Aronis, Georgios | 0 | GRE | −13N | −12B | −26N | +28B | =33B | −30N | F | 1.5 | 14.5 | 14.5 | 2.75 | 1225 | 0.0 |
| 35 | Tagklis, Ioannis | 1664 | GRE | −2N | +26B | =37B | −22N | F | F | F | 1.5 | 11.5 | 11.5 | 2.50 | 1695 | -0.4 |
| 36 | Pavlou, Christoforos Iason | 0 | GRE | −21B | −24N | F | −16B | F | +32N | −8B | 1.0 | 16.0 | 16.0 | 1.50 | 1378 | 0.0 |
| 37 | Pristouris, Ioulios Stavros | 0 | GRE | F | −6B | =35N | −38B | −29N | =24B | −30B | 1.0 | 13.0 | 13.0 | 1.75 | 1429 | 0.0 |
| 38 | Ntelis, Polizois | 1710 | GRE | F | −27B | F | +37N | −22B | F | F | 1.0 | 11.5 | 11.5 | 1.00 | 872 | -21.6 |
| 39 | Ntovas, Dimitrios | 1454 | GRE | −14B | −15N | −33N | −26B | F | −28N | =32B | 0.5 | 14.0 | 14.0 | 0.75 | 1241 | -21.2 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Prapas, Efthymios AlkiviadisGRE+46.03.5 pts · #11
- 2Stavropoulos, Kriton MichailGRE+24.03.5 pts · #18
- 3Mentzos, ApostolosGRE+23.61.5 pts · #25
Top rating losers
- 1Toumanidis, MihailangelosGRE-73.22.0 pts · #30
- 2Xipolitas, AristomenisGRE-29.62.5 pts · #15
- 3Panagopoulos, DimitriosGRE-29.22.0 pts · #32
Biggest upsets
- R2+260 Elo gap
- R4+201 Elo gap
- R3+162 Elo gap